[Bug 903125] Re: 50mounted-tests incorrectly handles lvm partition
Paolo Pisati
903125 at bugs.launchpad.net
Mon Dec 12 11:13:26 UTC 2011
i narrowed it down a little bit:
[flag at newluxor ~]$ sudo grub-mount /dev/sdd1 /media/
[flag at newluxor ~]$ mount
/dev/sdb6 on / type ext4 (rw,errors=remount-ro,commit=0)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
fusectl on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
/dev/sdb4 on /home type ext4 (rw,user_xattr,commit=0)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
gvfs-fuse-daemon on /home/flag/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=flag)
grub-mount on /media type fuse.grub-mount (rw,nosuid,nodev)
and as soon as i do any activity on it (like ls -1 /media), grub-mount
starts eating memory until i kill -9 it.
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https://bugs.launchpad.net/bugs/903125
Title:
50mounted-tests incorrectly handles lvm partition
Status in “grub2” package in Ubuntu:
New
Bug description:
I hit this problem while reinstalling grub:
[flag at newluxor ~]$ sudo update-grub
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.0.0-14-generic
Found initrd image: /boot/initrd.img-3.0.0-14-generic
Found linux image: /boot/vmlinuz-3.0.0-13-generic
Found initrd image: /boot/initrd.img-3.0.0-13-generic
Found linux image: /boot/vmlinuz-3.0.0-12-generic
Found initrd image: /boot/initrd.img-3.0.0-12-generic
Found linux image: /boot/vmlinuz-2.6.38-11-generic
Found initrd image: /boot/initrd.img-2.6.38-11-generic
Found linux image: /boot/vmlinuz-2.6.38-8-generic
Found initrd image: /boot/initrd.img-2.6.38-8-generic
Found memtest86+ image: /boot/memtest86+.bin
ls: reading directory /var/lib/os-prober/mount: Software caused
connection abort
[here came the kill -9 - see below]
Found Microsoft Windows XP Professional on /dev/sda1
Found unknown Linux distribution on /dev/sdc1
Found Microsoft Windows XP Professional on /dev/sdc2
Found Windows NT/2000/XP (loader) on /dev/sdc5
Found unknown Linux distribution on /dev/sdc6
done
Environment:
[flag at newluxor ~]$ uname -a
Linux newluxor 3.0.0-13-generic #22-Ubuntu SMP Wed Nov 2 13:27:26 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
[flag at newluxor ~]$ dpkg -l | grep grub
ii grub-common 1.99-12ubuntu5 GRand Unified Bootloader (common files)
ii grub-gfxpayload-lists 0.5 GRUB gfxpayload blacklist
ii grub-pc 1.99-12ubuntu5 GRand Unified Bootloader, version 2 (PC/BIOS version)
ii grub-pc-bin 1.99-12ubuntu5 GRand Unified Bootloader, version 2 (PC/BIOS binaries)
ii grub2-common 1.99-12ubuntu5 GRand Unified Bootloader (common files for version 2)
[flag at newluxor ~]$ sudo fdisk -l /dev/sdd
Disk /dev/sdd: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xa7591a3d
Device Boot Start End Blocks Id System
/dev/sdd1 63 1953520064 976760001 8e Linux LVM
...
and here is the guilty script:
[flag at newluxor ~]$ sudo /usr/lib/os-probes/50mounted-tests /dev/sdd1
[STUCK HERE!!!]
on another shell (watch for grub-mount below):
[flag at newluxor ~]$ ps -auxwww | grep mount
Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
flag 2212 0.0 0.0 250520 2308 ? Sl 09:33 0:00 /usr/lib/gnome-settings-daemon/gnome-fallback-mount-helper
root 13236 0.0 0.0 27168 1316 pts/2 S+ 11:15 0:00 sudo /usr/lib/os-probes/50mounted-tests /dev/sdd1
root 13237 0.0 0.0 4264 740 pts/2 S+ 11:15 0:00 /bin/sh /usr/lib/os-probes/50mounted-tests /dev/sdd1
root 13245 102 21.1 1078388 802808 ? Rs 11:15 0:26 grub-mount /dev/sdd1 /var/lib/os-prober/mount
root 13249 0.0 0.0 4264 728 pts/2 S+ 11:15 0:00 /bin/sh /usr/lib/os-probes/mounted/10freedos /dev/sdd1 /var/lib/os-prober/mount fuseblk
root 13252 0.0 0.0 25056 680 pts/2 S+ 11:15 0:00 ls -1 /var/lib/os-prober/mount
flag 13255 0.0 0.0 14564 888 pts/3 S+ 11:16 0:00 grep mount
[flag at newluxor ~]$ ps -auxwww | grep mount
Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
flag 2212 0.0 0.0 250520 2308 ? Sl 09:33 0:00 /usr/lib/gnome-settings-daemon/gnome-fallback-mount-helper
root 13236 0.0 0.0 27168 1316 pts/2 S+ 11:15 0:00 sudo /usr/lib/os-probes/50mounted-tests /dev/sdd1
root 13237 0.0 0.0 4264 740 pts/2 S+ 11:15 0:00 /bin/sh /usr/lib/os-probes/50mounted-tests /dev/sdd1
root 13245 100 25.3 1078388 961208 ? Rs 11:15 0:32 grub-mount /dev/sdd1 /var/lib/os-prober/mount
root 13249 0.0 0.0 4264 728 pts/2 S+ 11:15 0:00 /bin/sh /usr/lib/os-probes/mounted/10freedos /dev/sdd1 /var/lib/os-prober/mount fuseblk
root 13252 0.0 0.0 25056 680 pts/2 S+ 11:15 0:00 ls -1 /var/lib/os-prober/mount
flag 13257 0.0 0.0 14564 888 pts/3 S+ 11:16 0:00 grep mount
[flag at newluxor ~]$ ps -auxwww | grep mount
Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
flag 2212 0.0 0.0 250520 2308 ? Sl 09:33 0:00 /usr/lib/gnome-settings-daemon/gnome-fallback-mount-helper
root 13236 0.0 0.0 27168 1316 pts/2 S+ 11:15 0:00 sudo /usr/lib/os-probes/50mounted-tests /dev/sdd1
root 13237 0.0 0.0 4264 740 pts/2 S+ 11:15 0:00 /bin/sh /usr/lib/os-probes/50mounted-tests /dev/sdd1
root 13245 100 32.5 2126964 1236804 ? Rs 11:15 0:41 grub-mount /dev/sdd1 /var/lib/os-prober/mount
root 13249 0.0 0.0 4264 728 pts/2 S+ 11:15 0:00 /bin/sh /usr/lib/os-probes/mounted/10freedos /dev/sdd1 /var/lib/os-prober/mount fuseblk
root 13252 0.0 0.0 25056 680 pts/2 S+ 11:15 0:00 ls -1 /var/lib/os-prober/mount
flag 13259 0.0 0.0 14564 888 pts/3 S+ 11:16 0:00 grep mount
[flag at newluxor ~]$ ps -auxwww | grep mount
Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
flag 2212 0.0 0.0 250520 2308 ? Sl 09:33 0:00 /usr/lib/gnome-settings-daemon/gnome-fallback-mount-helper
root 13236 0.0 0.0 27168 1316 pts/2 S+ 11:15 0:00 sudo /usr/lib/os-probes/50mounted-tests /dev/sdd1
root 13237 0.0 0.0 4264 740 pts/2 S+ 11:15 0:00 /bin/sh /usr/lib/os-probes/50mounted-tests /dev/sdd1
root 13245 100 38.7 2126964 1470180 ? Rs 11:15 0:49 grub-mount /dev/sdd1 /var/lib/os-prober/mount
root 13249 0.0 0.0 4264 728 pts/2 S+ 11:15 0:00 /bin/sh /usr/lib/os-probes/mounted/10freedos /dev/sdd1 /var/lib/os-prober/mount fuseblk
root 13252 0.0 0.0 25056 680 pts/2 S+ 11:15 0:00 ls -1 /var/lib/os-prober/mount
flag 13261 0.0 0.0 14564 888 pts/3 S+ 11:16 0:00 grep mount
[flag at newluxor ~]$ sudo kill -9 13245
since it was sucking all my cpu and my box started trashing, i had to
kill -9 it.
[/var/log/syslog]
...
Dec 12 11:15:47 newluxor 50mounted-tests: debug: mounted using GRUB
Dec 12 11:15:47 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/10freedos
Dec 12 11:15:47 newluxor 10freedos: debug: /dev/sdd1 is a FUSE partition
[here comes the kill -9]
Dec 12 11:16:42 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/10qnx
Dec 12 11:16:42 newluxor 10qnx: debug: /dev/sdd1 is not a QNX4 partition: exiting
Dec 12 11:16:42 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/20macosx
Dec 12 11:16:42 newluxor macosx-prober: debug: /dev/sdd1 is a FUSE partition
Dec 12 11:16:42 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/20microsoft
Dec 12 11:16:42 newluxor 20microsoft: debug: /dev/sdd1 is a FUSE partition
Dec 12 11:16:42 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/30utility
Dec 12 11:16:42 newluxor 30utility: debug: /dev/sdd1 is a FUSE partition
Dec 12 11:16:42 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/40lsb
Dec 12 11:16:42 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/70hurd
Dec 12 11:16:42 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/80minix
Dec 12 11:16:42 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/83haiku
Dec 12 11:16:42 newluxor 83haiku: debug: /dev/sdd1 is a FUSE partition
Dec 12 11:16:42 newluxor 83haiku: debug: Stage 1 bootloader not found: exiting
Dec 12 11:16:42 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/90linux-distro
Dec 12 11:16:42 newluxor 50mounted-tests: debug: running subtest /usr/lib/os-probes/mounted/90solaris
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